Home / 208,354,833.18-287,534,949.27-114,272,725.98

Finding the Fourth Proportional to 208,354,833.18, 287,534,949.27 and 114,272,725.98

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Solution

The fourth proportional to 208,354,833.18, 287,534,949.27 and 114,272,725.98 is: 157,699,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,354,833.18 : 287,534,949.27 = 114,272,725.98 : x
  2. Step 2: Convert to fraction form
    208,354,833.18/287,534,949.27 = 114,272,725.98/x
  3. Step 3: Cross multiply
    208,354,833.18x = 287,534,949.27 × 114,272,725.98
  4. Step 4: Simplify right side
    208,354,833.18x = 32,857,402,467,603,912
  5. Step 5: Solve for x
    x = 32,857,402,467,603,912/208,354,833.18
  6. Step 6: Final answer
    x = 157,699,257.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.